76. Information about Harmonious Company's two products is as follows:

	Product X	Product Y
Unit selling price	$11.25	$11.25
Unit variable costs:
Manufacturing	$ 5.25	$ 6.75
Selling	0.75	0.75
Total	$ 6.00	$ 7.50
Monthly fixed costs are as follows:
Manufacturing	$ 82,500
Selling and administrative	45,000
Total	$127,500

What is the total monthly sales volume in units required to break even when the sales mix in units is 70% Product X and 30% Product Y? (Round to the nearest whole number of units.)

a.8,667 units

b.4,333 units

c.26,563 units

d.28,667 units